Finding the Fourth Proportional to 5,147.29, 7,100.64 and 3,255.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,147.29 : 7,100.64 = 3,255.69 : x
2. Step 2: Convert to fraction form
   5,147.29/7,100.64 = 3,255.69/x
3. Step 3: Cross multiply
   5,147.29x = 7,100.64 × 3,255.69
4. Step 4: Simplify right side
   5,147.29x = 23,117,509.27
5. Step 5: Solve for x
   x = 23,117,509.27/5,147.29
6. Step 6: Final answer
   x = 4,491.20